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- [3] Determination of lanthanides and other trace elements in ferns by instrumental neutron activation analysis Journal of Radioanalytical and Nuclear Chemistry, 1997, 217 : 117 - 124
- [5] Determination of trace elements in lichens by instrumental neutron activation analysis Journal of Radioanalytical and Nuclear Chemistry, 1997, 217 : 111 - 115
- [10] Determination of trace elements in tree rings ofPinus by neutron activation analysis Journal of Radioanalytical and Nuclear Chemistry, 1997, 217 : 125 - 129